AD8209

Data Sheet

Rev. C | Page 2 of 16

TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

Functional Block Diagram .............................................................. 1

 

General Description ......................................................................... 1

 

Revision History ............................................................................... 2

 

Specifications..................................................................................... 3

 

Absolute Maximum Ratings............................................................ 5

 

ESD Caution.................................................................................. 5

 

Pin Configuration and Function Descriptions............................. 6

 

Typical Performance Characteristics ............................................. 7

 

Theory of Operation ...................................................................... 11

 

Applications Information .............................................................. 12

 

High-Side Current Sensing with a Low-Side Switch ............. 12

 

High-Rail Current Sensing ....................................................... 12

 

Low-Side Current Sensing ........................................................ 12

 

Gain Adjustment ........................................................................ 13

 

Gain Trim .................................................................................... 14

 

Low-Pass Filtering...................................................................... 14

 

High Line Current Sensing with LPF and Gain Adjustment......15

 

Outline Dimensions ....................................................................... 16

 

Ordering Guide .......................................................................... 16

 

Automotive Products ................................................................. 16

 

REVISION HISTORY

12/2016—Rev. B to Rev. C

Changes to Figure 27.......................................................................12

10/2013—Rev. A to Rev. B

Changes to Features Section............................................................ 1

Changes to Table Summary Statement and Table 1 ..................... 3

Changes to Table 2............................................................................ 5

Changes to Gains Greater than 14 Section and Figure 30 ........ 13

Changes to Ordering Guide .......................................................... 16

2/2013—Rev. 0 to Rev. A

Change to Features ............................................................................1

Changes to Figure 3 and Table 3......................................................5

Change to Ordering Guide.............................................................15

Added Automotive Products Section ...........................................15

10/2009—Revision 0: Initial Version